1
GATE CE 2025 Set 2
MCQ (More than One Correct Answer)
+1
-0

In the context of construction materials, which of the following statements is/are CORRECT?

A
If the characteristic strength is defined as that value below which not more than $50 \%$ results are expected to fall, the target mean strength in mix design will be taken same as the characteristic strength irrespective of the degree of quality control expected at the site.
B
Ten percent fines value is a non-dimensional quantity.
C
The stress-strain curve of concrete for 1-day duration of loading is associated with a smaller secant modulus of elasticity compared to the stress-strain curve of the same concrete for 10-minutes duration of loading.
D
The increase of carbon in steel usually leads to an increase in its $0.2 \%$ proof stress.
2
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

The following figure shows the arrangement of formwork for casting a cantilever RC beam.

GATE CE 2024 Set 1 Reinforced Cement Concrete - Workmenship and Fundamentals Question 3 English

The correct sequence of removing the Shores/Props is:

A

S1 → S2 → S3 → S4 → S5

B

S5 → S4 → S3 → S2 → S1

C

S3 → S2 → S4 → S1 → S5

D

S3 → S4 → S2 → S5 → S1

3
GATE CE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Let the characteristic strength be defined as that value, below which not more than 50% of the results are expected to fall. Assuming a standard deviation of 4 MPa, the target mean strength (in MPa) to be considered in the mix design of a M25 concrete would be
A
18.42
B
21.00
C
25.00
D
31.58
4
GATE CE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider the following statements for air-entrained concrete:

(i) Air-entrainment reduces the water demand for a given level of workability

(ii) Use of air-entrained concrete is required in environments where cyclic freezing and thawing is expected.

Which of the following is TRUE?
A
Both (i) and (ii) are True
B
Both (i) and (ii) are False
C
(i) is True and (ii) is False
D
(i) is False and (ii) is True
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